Social Media Trends Drive Teens to Dangerous Benadryl Overdoses

Fifteen-year-old Leah Presson of Enid, Oklahoma, lies in an intensive care unit with zero brain activity after attempting the "Benadryl Challenge." The viral trend encourages teenagers to ingest massive quantities of the common allergy medication to induce hallucinations, a reckless gamble that frequently ends in cardiac arrest or death.

Editorial·June 16, 2026·reads: 1,766

Social Media Trends Drive Teens to Dangerous Benadryl Overdoses

The teenager, who her father Richard Presson described as a vibrant girl chasing online fame, was rushed to Integris Health Baptist Medical Center following a diphenhydramine overdose. Her case underscores a persistent danger that has plagued social media platforms for years. While diphenhydramine is safe at standard levels, high doses trigger an anticholinergic toxidrome—a state of acute poisoning that overwhelms the central nervous system. Medical experts emphasize that the threshold between inducing hallucinations and total cardiac arrest is razor-thin.

The FDA issued a formal warning in 2020 after a previous fatal case involving an Oklahoma teenager, explicitly linking the trend to TikTok. Although the platform has implemented blocks on related search terms, teenagers continue to circumvent these safeguards through intentional misspellings and private group chats. Richard Presson is now pleading with parents to intervene before more families face similar tragedies, maintaining hope for a miracle while his daughter remains in critical condition.